Wireless on fedora 34 don’t works some one have a solution?
What is your system? Other than the title we know nothing about what you have or what your problem is.
“Wireless does not work” gives us nothing to work with to even guess the problem.
What have you done?
what have you tried?
what messages do you get?
is the system updated or a new install?
Is this a laptop or desktop?
We cannot read minds.
What have you done?
nothing can’t even find the model
what have you tried?
turn it on / off 
what messages do you get?
???
is the system updated or a new install?
Fresh install of fedora 34
Is this a laptop or desktop?
laptop dell precision M4800
Since apparently you cannot even give us more info I cannot help.
What messages do you get?
The answer should be a complete detailed description of what is seen on the screen when you power on, including the last thing seen. If you cannot give that then we cannot help in any way.